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Derivative instruments and hedging activities (Tables) | 3 Months Ended
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Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of balance sheet classification and fair values of derivative instruments |
|  |  |  | Fair Value |  | Notional Amount
|  |  |  |  | March 31, |  |  |  | December 31, |  |  |  | March 31, |  |  |  | December 31, |
|  | Balance sheet location |  |  | 2021 |  |  |  | 2020 |  |  |  | 2021 |  |  |  | 2020 |
|  |  |  | U.S. $ in thousands
Assets derivatives -Foreign exchange contracts, not designated as hedging instruments |  | Other current assets |  | $ | 41 |  |  | $ | 56 |  |  | $ | 10,981 |  |  | $ | 36,882 |
Assets derivatives -Foreign exchange contracts, designated as cash flow hedge |  | Other current assets |  |  | 754 |  |  |  | 793 |  |  |  | 50,316 |  |  |  | 10,417 |
Liability derivatives -Foreign exchange contracts, not designated as hedging instruments |  | Accrued expenses and other current liabilities |  |  | (252 | ) |  |  | (1,098 | ) |  |  | 44,078 |  |  |  | 37,999 |
Liability derivatives -Foreign exchange contracts, designated as hedging instruments |  | Accrued expenses and other current liabilities |  |  | (140 | ) |  |  | (1,584 | ) |  |  | 18,473 |  |  |  | 50,186 |
|  |  |  | $ | 403 |  |  | $ | (1,833 | ) |  | $ | 123,848 |  |  | $ | 135,484 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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